Заполни пропуски 1)(3z+x)²=...+2...+...2)(y-3)²=...-2...+...3)(2t+5p)²=...+2...+...

Question

Алгебра: Заполни пропуски 1)(3z+x)²=...+2...+...2)(y-3)²=...-2...+...3)(2t+5p)²=...+2...+...​

loloika · Answer

Объяснение:1)(3z+x)2=9z2+2*x*3z+x2=9z2+6xz+x22)(y-3)2=y2-2*3*y+9=y2-6y+93)(2t+5p)2=4t2+2*2t*5p+25p2=4t2+20tp+25p2...

Заполни пропуски
1)(3z+x)²=...+2...+...
2)(y-3)²=...-2...+...
3)(2t+5p)²=...+2...+...